Shallenberger is a surname. Notable people with the surname include:
Ashton C. Shallenberger (1862–1938), American politician from Nebraska David Shallenberger, American politician from Utah Oliver B. Shallenberger (1860–1898), American engineer and inventor William Shadrack Shallenberger (1839–1914), American politician from Pennsylvania
See also Shellenberger Schellenberger Schellenberg Callenberg